Home / 39,679.04-54,739.72-25,343.26

Finding the Fourth Proportional to 39,679.04, 54,739.72 and 25,343.26

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Solution

The fourth proportional to 39,679.04, 54,739.72 and 25,343.26 is: 34,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.04 : 54,739.72 = 25,343.26 : x
  2. Step 2: Convert to fraction form
    39,679.04/54,739.72 = 25,343.26/x
  3. Step 3: Cross multiply
    39,679.04x = 54,739.72 × 25,343.26
  4. Step 4: Simplify right side
    39,679.04x = 1,387,282,956.29
  5. Step 5: Solve for x
    x = 1,387,282,956.29/39,679.04
  6. Step 6: Final answer
    x = 34,962.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.